99629953 has 4 divisors (see below), whose sum is σ = 100511748. Its totient is φ = 98748160.

The previous prime is 99629941. The next prime is 99630017. The reversal of 99629953 is 35992699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35992699 = 911 ⋅39509.

It can be written as a sum of positive squares in 2 ways, for example, as 26749584 + 72880369 = 5172^2 + 8537^2 .

It is a cyclic number.

It is not a de Polignac number, because 99629953 - 2⁵ = 99629921 is a prime.

It is a super-2 number, since 2×99629953² = 19852255069564418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99629953.

It is not an unprimeable number, because it can be changed into a prime (99629053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440728 + ... + 440953.

It is an arithmetic number, because the mean of its divisors is an integer number (25127937).

Almost surely, 2^99629953 is an apocalyptic number.

It is an amenable number.

99629953 is a deficient number, since it is larger than the sum of its proper divisors (881795).

99629953 is a wasteful number, since it uses less digits than its factorization.

99629953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881794.

The product of its digits is 1180980, while the sum is 52.

The square root of 99629953 is about 9981.4805014086. The cubic root of 99629953 is about 463.5856403482.

The spelling of 99629953 in words is "ninety-nine million, six hundred twenty-nine thousand, nine hundred fifty-three".